This article applies to:

• MailMarshal SEG Service Provider Edition (SPE)/MailMarshal SPE

Question:

• What versions of MailMarshal SPE are currently supported by LevelBlue Technical Support?  

Information:

The following tables show the currently supported versions, planned dates of termination of support, and support end dates for discontinued versions.

Note: In this article "supported" refers to full product support as defined in LevelBlue support policy for the Marshal Product Line.

• For "discontinued" versions, LevelBlue can often provide advice to help customers resolve issues. However, LevelBlue may recommend upgrade to a later version of the software.
• If a reported problem requires remedial development work, LevelBlue will usually provide a fix only for the latest product version.
• Upgrades to the current versions of these products are always free of charge to customers with a current maintenance contract.

All versions earlier than those listed are discontinued.

Threat Protection for SEG includes SpamCensor, AMAX, and other malware detection scripts maintained by LevelBlue Spider Labs Research.

Software Version	Release Date	Support Status	End of Support	End of SEG Threat Protection Updates
SPE Version 5.3.0.22502 MailMarshal Version 11.3.0.7659	December 2, 2025	Active
SPE Version 5.2.0.22293 MailMarshal Version 11.2.0.7413	September 4, 2025	Active
SPE Version 4.3.5.20677 SEG Version 8.3.2.11492	April 9, 2024	Active	January 31, 2026	December 31, 2025
SPE Version 4.3.4.20423 SEG Version 8.3.2.11492	October 4, 2023	Active	January 31, 2026	December 31, 2025
SPE Version 4.3.3.20042  SEG Version 8.3.1.11439	July 11, 2023	Active	January 31, 2026	December 31, 2025
SPE Version 4.3.0.19124  SEG Version 8.3.0.11436	October 11, 2022	Active	January 31, 2026	December 31, 2025
SPE Version 4.2.4.16662  SEG Version 8.2.6.11305	December 22, 2020	Active	December 31, 2025	June 1, 2025
SPE Version 4.2.0.14203  SEG Version 8.2.4.11170	October 31, 2019	Active	December 31, 2025	December 31, 2024
SPE Version 4.0.3.20390 SEG Version 8.0.7.11235	February 12, 2019	Discontinued	March 31, 2021	March 31, 2021
SPE Version 4.0.1.19758      SEG Version 8.0.7.11235 (recommended)     SEG Version 8.0.6.10796 (also supported)	March 6, 2018	Discontinued	August 1, 2020	March 31, 2021
SPE Version 4.0.0.19570      SEG Version 8.0.5.10552	December 12, 2017	Discontinued	March 6, 2018	March 31, 2021

Notes:

For information about virus scanner plug-ins, see the Related Articles below.